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130554152 = 23176115737
BaseRepresentation
bin1111100100000…
…01100100101000
3100002122211121222
413302001210220
5231410213102
620542121212
73143456231
oct762014450
9302584558
10130554152
11677702a3
1237880208
1321080aa1
14134a6088
15b6dcaa2
hex7c81928

130554152 has 32 divisors (see below), whose sum is σ = 263454120. Its totient is φ = 60426240.

The previous prime is 130554133. The next prime is 130554157. The reversal of 130554152 is 251455031.

It can be written as a sum of positive squares in 4 ways, for example, as 118679236 + 11874916 = 10894^2 + 3446^2 .

It is not an unprimeable number, because it can be changed into a prime (130554157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428 + ... + 16164.

Almost surely, 2130554152 is an apocalyptic number.

It is an amenable number.

130554152 is an abundant number, since it is smaller than the sum of its proper divisors (132899968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130554152 is a wasteful number, since it uses less digits than its factorization.

130554152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821 (or 15817 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 130554152 is about 11426.0295816176. The cubic root of 130554152 is about 507.2984819564.

The spelling of 130554152 in words is "one hundred thirty million, five hundred fifty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 17 34 61 68 122 136 244 488 1037 2074 4148 8296 15737 31474 62948 125896 267529 535058 959957 1070116 1919914 2140232 3839828 7679656 16319269 32638538 65277076 130554152